Infant&#39;s seat or similar article



FIG. 1 is a perspective view of an infant's seat or similar article showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a top elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a left side elevation view thereof. 

The ornamental design for an infant's seat or similar article, as shown. 